Drlex Karfe A815 WPS32750 El Sirbow M Karfe
Don ciyawar bututun ƙarfe mara kyau tana nufin kayan albarkatun kasa daga bututun ƙarfe da shambura. Ta haka ne waldi mai bututun ƙarfe sned karfe sun rufe kayan raw abu daga bututun ƙarfe na welded.
Astm A420 shine daidaitaccen bayani don bututun bututun ƙarfe na carbon karfe da alloy sun yi amfani da sabis na zafi. WPL6 shine mafi yawan kayan aikin da aka fi amfani dasu a ƙarƙashin A420.
Duplex Trub End fattingsªduplex Karfe Stubbent Ends an sanya shi a cikin nau'i-nau'i kuma abokin aure tare da flanges na cinya biyu. A farfajiya na enoy stub karshen yana da tsarin murya da aka yi da sauri a farfajiya don hana yaduwa a hadin gwiwa. Yi amfani da Stub ya ƙare don buɗe sassan da'ira don tsabtatawa, dubawa, ko Sauyawa, da sauransu, ba tare da buƙatar sake yin siyarwa ba.